It was an old as article in I think Blaze magazine that I remember referencing at the time of the beef. Closest I could find is in Nas list of his favorite 25 albums where he names Reasonable Doubt amongst it.
Nasty Nas talks about his favorite albums from John Coltr...
www.complex.com
Jay-Z, Reasonable Doubt (1996)
Label: Roc-A-Fella
Nas: “I seen this kid Jay, I already knew he was nice. I’m watching him come into the game and he delivered a lyrical album, a street album, and he grabbed his spot. A lot of people couldn’t do that. A lot of people that were putting out albums around the time
Reasonable Doubt dropped are no longer around.
“He staked his claim. He showed everyone he was nice with his lyrics, he was nice with it. He came in the tradition of the New York streets, the way I did, the way Biggie did. He came in that way and he’s been holding it down ever since. If you listen to
Reasonable Doubt, he made it happen.”